[PATCH 2/8] arm: dts: rockchip: Use sdmmc node from dts/upstream on RK3528

Jonas Karlman jonas at kwiboo.se
Thu Jul 31 01:52:43 CEST 2025


Drop the sdmmc node from soc u-boot.dtsi and instead use the sdmmc node
from rk3528.dtsi with v6.16-dts now merged to dts/upstream.

This cleanup has no intended functional change.

Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
 arch/arm/dts/rk3528-generic-u-boot.dtsi    |  9 ---------
 arch/arm/dts/rk3528-generic.dts            | 12 +++++++++++-
 arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi |  9 ---------
 arch/arm/dts/rk3528-u-boot.dtsi            | 18 ------------------
 4 files changed, 11 insertions(+), 37 deletions(-)

diff --git a/arch/arm/dts/rk3528-generic-u-boot.dtsi b/arch/arm/dts/rk3528-generic-u-boot.dtsi
index cc830b514567..9e1fb2a7eef6 100644
--- a/arch/arm/dts/rk3528-generic-u-boot.dtsi
+++ b/arch/arm/dts/rk3528-generic-u-boot.dtsi
@@ -1,12 +1,3 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 
 #include "rk3528-u-boot.dtsi"
-
-&sdmmc {
-	bus-width = <4>;
-	cap-sd-highspeed;
-	disable-wp;
-	no-mmc;
-	no-sdio;
-	status = "okay";
-};
diff --git a/arch/arm/dts/rk3528-generic.dts b/arch/arm/dts/rk3528-generic.dts
index fe9e72c41cd7..637ca03325ed 100644
--- a/arch/arm/dts/rk3528-generic.dts
+++ b/arch/arm/dts/rk3528-generic.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
- * Minimal generic DT for RK3528 with eMMC enabled
+ * Minimal generic DT for RK3528 with eMMC and SD-card enabled
  */
 
 /dts-v1/;
@@ -12,6 +12,7 @@
 
 	aliases {
 		mmc0 = &sdhci;
+		mmc1 = &sdmmc;
 		serial0 = &uart0;
 	};
 
@@ -30,6 +31,15 @@
 	status = "okay";
 };
 
+&sdmmc {
+	bus-width = <4>;
+	cap-sd-highspeed;
+	disable-wp;
+	no-mmc;
+	no-sdio;
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0m0_xfer>;
diff --git a/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi b/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi
index 1372d8f1e38a..05a58c136bcd 100644
--- a/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi
+++ b/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi
@@ -5,12 +5,3 @@
 &sdhci {
 	mmc-hs200-1_8v;
 };
-
-&sdmmc {
-	bus-width = <4>;
-	cap-mmc-highspeed;
-	cap-sd-highspeed;
-	disable-wp;
-	vmmc-supply = <&vcc_3v3>;
-	status = "okay";
-};
diff --git a/arch/arm/dts/rk3528-u-boot.dtsi b/arch/arm/dts/rk3528-u-boot.dtsi
index eb6a55cd5c93..a18d33b3d369 100644
--- a/arch/arm/dts/rk3528-u-boot.dtsi
+++ b/arch/arm/dts/rk3528-u-boot.dtsi
@@ -27,24 +27,6 @@
 			compatible = "rockchip,rk3528-otp";
 			reg = <0x0 0xffce0000 0x0 0x4000>;
 		};
-
-		sdmmc: mmc at ffc30000 {
-			compatible = "rockchip,rk3528-dw-mshc",
-				     "rockchip,rk3288-dw-mshc";
-			reg = <0x0 0xffc30000 0x0 0x4000>;
-			clocks = <&cru HCLK_SDMMC0>, <&cru CCLK_SRC_SDMMC0>;
-			clock-names = "biu", "ciu";
-			fifo-depth = <0x100>;
-			interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
-			max-frequency = <150000000>;
-			pinctrl-names = "default";
-			pinctrl-0 = <&sdmmc_bus4>, <&sdmmc_clk>, <&sdmmc_cmd>,
-				    <&sdmmc_det>;
-			resets = <&cru SRST_H_SDMMC0>;
-			reset-names = "reset";
-			rockchip,default-sample-phase = <90>;
-			status = "disabled";
-		};
 	};
 };
 
-- 
2.50.1



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